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题名: On-line introduction of high-pressure gas-liquid sample for capillary gas chromatographic analysis
作者: Zhao, JH;  Wang, HW;  Guan, YF
关键词: injection methods ;  ethylene oligomerization ;  sample preparation ;  alkenes
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2004-08-06
DOI: 10.1016/j.chroma.2004.06.022
卷: 1045, 期:1-2, 页:23-28
收录类别: SCI
文章类型: Article
项目归属: 105
产权排名: 1;1
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: An on-line sample introduction technique in capillary gas chromatograph (CGC) for the analysis of high-pressure gas-liquid mixtures has been designed and evaluated. A sample loop of 0.05 muL and a washing solvent loop of 0.5 muL are mounted on a 10-port switching valve, which serves as the injection valve. A capillary resistor was connected to the vent of sample loop in order to maintain the pressure of the sample. Both the sample and the washing solvent are transferred into the split-injection port through a narrow bore fused silica capillary inserted into the injection liner through a septum. The volume of the liner is used both as the pressure-release damper and evaporation chamber of the sample. On-line analysis of both reactants and resultants in ethylene olimer reaction mixture at 5 MPa was carried out, which demonstrated the applicability of the technique. (C) 2004 Elsevier B.V. All rights reserved.
关键词[WOS]: PHASE-EQUILIBRIA ;  COMPOSITIONAL ANALYSIS ;  TEMPERATURES ;  APPARATUS ;  MIXTURES ;  FLUIDS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000223212000003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/81695
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dept Microinstrumentat & Analyt Chem, Dalian 116012, Peoples R China

Recommended Citation:
Zhao, JH,Wang, HW,Guan, YF. On-line introduction of high-pressure gas-liquid sample for capillary gas chromatographic analysis[J]. JOURNAL OF CHROMATOGRAPHY A,2004,1045(1-2):23-28.
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